Describe two ideas which influenced Darwin's thinking leading up to his idea of natural selection. *
Answers
Darwin's theory consisted of two main points; 1) diverse groups of animals evolve from one or a few common ancestors; 2) the mechanism by which this evolution takes place is natural selection.
Related Questions
answer with explains and reasons please ( ill mark brainlist )
Mount Everest is the world's highest mountain. It is 29,028 feet (9km) above sea level. It is located in the Himalayas between Nepal and China. But now that we have sonar, we know about Mauna Kea. Mauna Kea is on Hawaii Island. It is 13,448 feet (4km) above sea level. From its base on the ocean floor, it is 33,796 feet (10km)! Should we still consider Mount Everest to be the highest mountain? Why or why not?
Answers
Answer:
I think Mount Everest should still be called the highest mountain
Explanation: Based on tradition, mountains are not measured from their bases but from sea level so considering this Mount Everest should still be called the highest mountain in the world. However despite this, some may say it should not be.
What causes air masses to move?
When prevailing westerlies shift directions and move toward the west.
Weather conditions change rapidly to produce storms.
A collision takes place between two natural wind patterns.
Long, narrow bands of wind blow in the upper atmosphere.
Answers
Long, narrow bands of wind blow in the upper atmosphere causes air masses to move, hence option D is correct.
What is air masses?A huge body of air with a largely constant temperature and humidity is referred to as an air mass. An air mass's properties are determined by the region from which it originates.
The likelihood that the air mass will take on characteristics of the surface below increases with the amount of time it spends over its source region.
In North America, during the winter months, cold, dry air from the Arctic moves thousands of miles south and warm, humid air from the Gulf of Mexico moves thousands of miles north.
Therefore, the cause of the air masses to move is long, narrow bands of wind blow in the upper atmosphere.
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Vacuoles are cell structures that are sometimes compared to warehouses. They have the ability to store things such as water and nutrients, and in some cases provide rigidity for the cell. Certain types of cells utilize vacuoles more than others. In what type of cell would you expect to find the largest vacuole?
A) A cactus cell
B) A human cell
C) A worm cell
D) A mushroom cell
Answers
Answer:
A) A cactus cell
Explanation:
Plant cells have much larger vacuoles than animal cells, so I believe the cactus cell would have the largest one.
what is the biggest kind of fish
Answers
Answer:
Rhincodon typus
Explanation:
fun fact, i've seen this fish in real life before!
Lucille is finding it difficult to play soccer after school. Her doctor thinks that her cells might not be getting enough oxygen. When Lucille talked about it with a friend, her friend said there might be a problem with Lucille’s respiratory system or circulatory system.What do Lucille’s cells need in order for her body to function properly? How might a problem with Lucille’s respiratory system or circulatory system make it difficult for Lucille to play soccer?
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Hope this helps:)
How does the cardiovascular system interact with the respiratory system?
A.
Blood helps the brain interpret different smells.
B.
Blood helps the lungs to inflate and deflate to breathe.
C.
Blood transports oxygen from the lungs to other organs.
D.
Blood transports nutrients from the stomach to other organs.
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this is science the question is Mixture A has 3 cups of white paint and 9 cups of green paint. Mixture B has 7 cups of white paint and 21 cups of green paint. Is Mixture A darker, lighter, or the same color as Mixture B?
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What are three producers from the savannah ecosystem?
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Answer:
Some producers of the savanna are:
Jackal berry trees.
Acacia trees.
Jarrah trees.
Bermuda grasse.
River bushwillow.
Kangaroo paws.
Star grass.
Lemongrass.
Answer:
What are three producers from the savannah ecosystem?
Explanation:
The savanna is dominated by grasses such as Rhodes grass, red oats grass, star grass, lemon grass, and some shrubs. Most savanna grass is coarse and grows in patches with interspersed areas of bare ground.
Chromosomes are structures of nucleic acids and proteins found in the nucleus of a cell. They contain all the genetic information of an organism. Humans have 46 pairs of chromosomes, with half from each parent. Which of the following best describes why the offspring will receive only half of the parents' chromosomes?
A)Chromosomes assort independently, and crossing-over occurs.
B)Gametes contain homologous pairs from the mother and father.
C)Diploid eukaryotic cells become haploid before fertilization.
D)The cell cycle stops, allowing for extra haploid cells to be made.
Answers
Answer:
C
Explanation:
I am pretty sure answer is C.
Chromosomes are structures of nucleic acids and proteins found in the nucleus of a cell, and they contain all the genetic information of an organism because chromosomes assort independently and crossing-over occurs, as in option A.
What is the function of the chromosome in meiosis?The chromosomes present in the parent cell duplicate in the S phase of the cell cycle, and in the meiosis phase of the cell cycle, the daughter chromatids segregate and form four haploid cells from the parent cell. The child or offspring is the result of the fertilization of the sperm and the ovum, and the zygote is formed from the process that develops into the offspring, and the zygote has half the genetic contents of the paternal and maternal parents. In this way the chromosomes separate in the meiosis.
Hence, Chromosomes are structures of nucleic acids and proteins found in the nucleus of a cell, and they contain all the genetic information of an organism because chromosomes assort independently and crossing-over occurs, as in option A.
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what is the relationship between the amount of carbon dioxide in the atmosphere and global temperture
Answers
Explanation:
arbon dioxide is a colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas. The current concentration is about 0.04% by volume, having risen from pre-industrial levels of 280 ppm.
Answer:
Carbon dioxide is used by plants global temperature plants
Explanation:
Which of the following minerals is the hardest and is a 10 on Mohs scale?
a
Topaz
b
Talc
c
Quartz
d
Diamond
Answers
Write a description or a reason why you are doing this activities of conserving our natural resources.
1. Using a glass when brushing teeth -
2. Hanging clothes -
3. Walking -
4. Feeding the stray animals -
5. Using back page of paper -
6. Using fan -
7. Watering the plants -
8. Sweeping -
Answers
1. Using a glass when brushing teeth: By using a glass instead of leaving the tap running while brushing our teeth, we can conserve water. Freshwater is a finite resource, and reducing unnecessary water usage is essential for preserving our water supplies and ensuring their availability for both humans and the natural environment.
2. Hanging clothes: Opting to hang clothes to dry instead of using a dryer not only saves energy but also reduces greenhouse gas emissions. Clothes dryers consume a significant amount of electricity, and by utilizing natural methods like hanging clothes, we can contribute to reducing our energy consumption and lowering our carbon footprint.
3. Walking: Walking instead of using vehicles for short-distance travel offers multiple benefits. Firstly, it helps reduce air pollution by decreasing the emission of harmful gases from vehicles. Secondly, walking promotes personal health and well-being, as it is a form of physical exercise. Lastly, choosing to walk reduces traffic congestion and saves fuel.
4. Feeding stray animals: Feeding stray animals is an act of compassion and kindness. By providing food for stray animals, we help prevent their starvation and promote their overall welfare. It also reduces their need to hunt for food in natural habitats, preserving the delicate balance of local ecosystems.
5. Using the back page of paper: Utilizing both sides of a piece of paper helps reduce paper waste and conserves valuable forest resources. Paper production involves cutting down trees, and by maximizing the use of each sheet, we minimize the number of trees required to produce paper products.
6. Using a fan: Using a fan instead of an air conditioner helps reduce energy consumption and lowers greenhouse gas emissions. Air conditioners consume a significant amount of electricity, and by using fans to circulate air and provide cooling, we can contribute to conserving energy resources and mitigating the impact of climate change.
7. Watering the plants: Watering plants is essential for their growth and well-being. By providing them with adequate water, we support their ability to photosynthesize, produce oxygen, and contribute to a healthy ecosystem. Additionally, practicing responsible watering techniques, such as using watering cans instead of hoses, helps conserve water resources.
8. Sweeping: Sweeping instead of using a leaf blower or a hose to clean outdoor spaces reduces energy and water consumption. Leaf blowers and hoses consume significant amounts of electricity and water, respectively. Sweeping not only saves resources but also minimizes noise pollution and prevents soil erosion caused by high-pressure water flow.
Engaging in these activities of conserving natural resources demonstrates our commitment to environmental stewardship and sustainable living. By making conscious choices in our daily lives, we can contribute to the preservation and protection of the Earth's ecosystems for the benefit of current and future generations.
MAKE ME BRAINIST
pls help me, I need this rn, thank you!
Answers
Answer:
1.) DEPED: Department of Education;
Role: Improving the quality of education
2.) DENR: Department of Environment and National resources;
Role: Conservation, management, and development of the country's environment and natural resources.
3.) DOST: Department of Science and Technology
Role: The executive department of the Philippine Government responsible for the coordination of science and technology-related projects in the Philippines
4.) DSWD: Department of Social Welfare and Development
Role: Develop, implement and coordinate social protection and poverty-reduction solutions for and with the poor, vulnerable, and disadvantaged.
5.)TESDA: Technical Education and Skills Development Authority
Role: The government agency tasked to manage and supervise technical education and skills development in the Philippines.
Explanation:
VERY LATE REPLY, SORRY!!!!
These are just some of the Philippine government agencies that are involved in protecting the environment. There are many other agencies that play a role in this important task.
What are these agencies?Department of Environment and Natural Resources (DENR): The DENR is the lead agency in the formulation and implementation of environmental policies, laws, and regulations. It is also responsible for the management of natural resources, including forests, wildlife, and marine resources.
Department of Science and Technology (DOST): The DOST conducts research on environmental issues and develops technologies to address them. It also provides technical assistance to other government agencies and the private sector in the implementation of environmental programs.
Department of Social Welfare and Development (DSWD): The DSWD provides social services to people affected by environmental disasters. It also provides assistance to communities that are vulnerable to environmental hazards.
Technical Education and Skills Development Authority (TESDA): TESDA trains people in environmental-friendly technologies and practices. It also provides certification to workers in the environmental sector.
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Rock layer diagram. 5 layers on each side of a fault. Layers 1 to 5, top to bottom on the left, layers 6 to 10, top to bottom on the right. The following pairs are the same: 1 and 8; 2 and 9; 3 and 6; 4 and 7. Layers 5 and 10 do not have matches.
Which statements about this diagram are true? Check all that apply.
Layers 5 and 7 are the same age.
Faulting created the differences in layers.
Erosion created the differences in layers.
Layers 2 and 9 are the same age.
The organisms in 1 and 8 lived tens of millions of years apart.
Answers
Answer:B and D
ExplanationB: Faulting created the differences in layersD: Layers 2 and 9 are the same age.
Which of the following adaptations would help a tree-dwelling nocturnal scavenger survive in its environment?
Light-colored fur
Heels with fur
Night vision
Short snout
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help plss, ill give brainliest<33.
look at the picture.
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Answer:
Label A: Evaporation
Label B: Convection
Label C: Precipitation
Water moves from the hydrosphere to the atmosphere through Evaporation.
Water moves from the atmosphere to the lithosphere through Precipitation.
Explanation:
Hope it helps:)
B condensation
C precipitation
D run-off
Scientists who search for fossils often use the term transitional fossil to describe some of their finds. An example of a transitional fossil is Dimetrodon, which lived 280-265 million years ago. Dimetrodon had a lizard-like appearance but had a sail-like structure sticking out from its back that allowed it to regulate its body temperature, an ability that is found today in modern warm-blooded mammals. While Dimetrodon swallowed its prey whole like reptiles do, it also had different types of teeth, a trait also common to mammals. Which of these statements best explains how transitional fossils support the theory of evolution?
A. Transitional fossils show traits common to ancestors as well as descendants.
B. Transitional fossils show how the organisms' characteristics remain the same over time.
C. Transitional fossils show how individual organisms can change their characteristics during their lifetimes.
D. Transitional fossils show how populations of past organisms were not able to change their characteristics over time.
Answers
Answer:
A. transitional fossils show traits common to ancestors as well as decendants.
Explanation:
Transitional fossils show traits common to ancestors as well as descendants. Therefore, option A is correct.
What are transitional fossils?Any fossilized remains of a living form that exhibit characteristics shared by both its ancestor group and its descended descendant group are considered transitional fossils. This is crucial in cases where the descendent group's physical anatomy and way of life clearly distinguish them from the ancestor group.
The link between two species of creatures that demonstrates the relationship between the two species is known as a transitional fossil. These are the missing pieces in the chain of species evolution.
Thus, transitional fossils show traits common to ancestors as well as descendants, this is how transitional fossils support the theory of evolution. Therefore, option A is correct.
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Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
Answers
it’s melting
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
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Why is it important that egg and sperm only have on set of chromosomes?
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Answer:
Because when they combine the fertilized egg will have 46 chromosomes. The egg has 23 chromosomes and the sperm has 23 so adding them together is the 46 chromosomes the human body is supposed to have.
Explanation:
Hope it helps!!
In a few words, describe the differences in a recessive phenotype and a dominant genotype.
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Answer:
Recessive phenotype is that type of phenotype that is expressed by an organism only when both the alleles of a genotype are recessive. Dominant genotype is that type genotype were either one of the alleles or both the alleles are dominant.
Explanation:
Phenotype is the physical appearance of an organism whereas genotype is the genetic makeup of an organism. A recessive phenotype is expressed only when both the alleles are recessive for the trait.
What is genotype and phenotype?
The genotype of an individual is their unique sequence of DNA or genome. More specifically, the term genotype is used to refer to the two alleles a person has inherited for a particular gene from their parents. Phenotype is the physical appearance or expression of the genotype.
Recessive phenotype is the type of phenotype which is expressed by an organism only when both the alleles of a gene are recessive in that organism. And, dominant genotype is the type of genotype which is observed when either one of the alleles or both the alleles are dominant for that trait.
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Label the Big Dipper, Little Dipper, and indicate the Polaris.
Answers
The Polaris lies in a direct line with the Earth's rotational axis, which is "above" the North Pole (north celestial pole). Its stands almost motionless in the sky, and all the stars of the northern sky appear to rotate around it. The attached image is a clear indication.
How can we describe the Polaris location in the sky?The Polaris appears to remain stationary in the sky while all other stars appear to rotate around it. To locate Polaris in the sky, one must first find the Big Dipper, which is a well-known group of seven stars that resemble a ladle or dipper. If one follows the two stars at the end of the bowl of the Big Dipper, they will point directly to Polaris.
Once located, Polaris can be used as a guide to determine one's direction when navigating at night. Because it is very close to the celestial north pole, its position in the sky is directly above the Earth's geographic North Pole. This makes it a reliable reference point for navigation in the Northern Hemisphere.
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Which statement about models in science is true?
A:Models change to accommodate new discoveries.
B:Models are only used by engineers.
C:Models never change.
D:Models are only used by scientists.
Answers
Models change to accommodate new discoveries. This statement is true. Therefore option A is correct.
Models change to accommodate new discoveries is true because models in science are representations of natural phenomena or systems used to understand and predict real-world behavior.
As scientific knowledge advances and new discoveries are made, models are updated and refined to incorporate the latest information.
Scientists use models to test hypotheses, make predictions, and gain insights into complex processes. Similarly, engineers also use models to design and optimize various systems.
Therefore option A is correct.
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A class is learning about the evaporation step in the water cycle using a simple model. The model consists of a 1-L container of water. When the container is open, and it receives sunlight, the water can freely evaporate from the container. The students design an experiment using the model. In the experiment, the container will be filled and left open outside from dawn until dusk at different times of the year. The students will run the experiment only on days with clear weather. As a basis of their experiment, the students make an assumption that more water will evaporate from their model when more solar energy is present. Which of the following is a result that the students could predict in order to test their assumption?
A.
Equal amounts of the water will evaporate on summer days and winter days.
B.
Less of the water will remain in the container after one day in summer than after one day in winter.
C.
Less of the water will remain in the container after one day in winter than after one day in summer.
D.
Some of the water will evaporate on winter days but not on summer days.
Answers
Pls help me with this!! (Yea and I know this isnt biology but they didnt have the subject for this)
Now I know that stress changes Earth's crust by changing the_______
Answers
Answer:
plates
Explanation:
A pedigree chart is used to _______.
predict percentage of offspring with a trait
predict genotypic probabilities
track inherited traits through generations
identify the genotype of parents
Answers
A pedigree chart is used to track inherited traits through generations.
A pedigree chart is a visual tool that represents the inheritance patterns of specific traits or genetic conditions within a family. It helps to trace the occurrence of traits, diseases, or genetic conditions across multiple generations by depicting the relationships between individuals and their affected or unaffected status.
Pedigree charts are commonly used in genetics and genetic counseling to analyze patterns of inheritance, identify carriers of genetic disorders, determine the probability of passing on certain traits or diseases, and study the transmission of traits within families. By examining the patterns of inheritance in a pedigree chart, one can gain insights into the mode of inheritance, such as autosomal dominant, autosomal recessive, or X-linked inheritance, and make predictions about the likelihood of certain traits or conditions appearing in future generations.
HIII GIVING BRAINLIEST what is a 2 animal that don't have legs
Answers
Answer:Snake/worm
Explanation:
Heyoo
Snake and fish?
WAT DOES 37YX7437364 (MEMES AT THE END PLEASE THANK YOU)
I NEED 384277= WAT
Answers
Why it was important that Gregor Mendel used thousands of pea plants in his experiments? Would Mendel have found the same results if he had used only twenty plants? Explain.
Answers
Answer:
Explanation:
Gregor Mendel used thousands of pea plants in his experiments to ensure that his results were accurate and reliable. By using a large sample size, he was able to reduce the effects of chance and random variation in his experiments. This is important because biological systems are complex and variable, and small sample sizes can lead to inaccurate or misleading results.
Mendel's experiments involved crossing pea plants with different traits (e.g., tall vs. short, yellow vs. green), and he counted the number of offspring with each trait. He found that the offspring followed predictable patterns of inheritance, which he summarized in his laws of inheritance.
If Mendel had used only twenty plants in his experiments, he may not have obtained the same results. With a small sample size, chance events can have a greater impact on the results. For example, if he crossed two pea plants with different traits and obtained only a few offspring, it's possible that chance events (such as mutations or environmental factors) could have influenced the results. This could lead to false conclusions about the inheritance of the traits.
Therefore, using a large sample size was critical to Mendel's success in developing his laws of inheritance. It allowed him to detect patterns that were consistent across many different crosses, and to demonstrate that these patterns were not the result of chance variation.
Godzilla or Lil uzi vert? NEED help ASAP!
Answers
Answer:
God zilla....
Explanation:
Explain how cell division is linked to cell theory.